Resource exhaustion in M2team Nanazip

CVE-2026-42444

NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, a denial-of-service vulnerability exists in the littlefs filesystem image parser in NanaZip. The handler's Open method reads BlockCount directly from the attacke…

EPSS: 0.000 (2.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-42444?
CVE-2026-42444 is a low-severity vulnerability in M2team Nanazip, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 3.3/10. Published 2026-05-12.
How severe is CVE-2026-42444?
Low severity. CVSS v3 base score is 3.3 out of 10.